<template>
  <div class="cartcontrol">
    <transition name="move">
      <div class="cart-decrease" v-show="food.count>0" @click.stop.prevent="decreaseCart">
        <span class="inner icon-remove_circle_outline"></span>
      </div>
      </transition>
    <div class="cart-count" v-show="food.count>0">{{food.count}}</div>
    <div class="cart-add icon-add_circle" @click.stop.prevent="addCart"></div>
  </div>
</template>

<script type="text/ecmascript-6">
  import Vue from 'vue';
    export default {
      props: {
        food: {
          type: Object
        }
      },
      created() {
//        console.log(this.food);
      },
      methods: {
//        添加商品数量
        addCart(e) {
//        当better-scroll 派发的点击事件不存在时（即pc端），不做处理
          if (!e._constructed) {
            return;
          }
          if (!this.food.count) {
            Vue.set(this.food, 'count', 1);
          } else {
            this.food.count ++;
          }
          this.$emit('add', e.target);
        },
//        减少商品数量
        decreaseCart (e) {
//        当better-scroll 派发的点击事件不存在时（即pc端），不做处理
          if (!e._constructed) {
            return;
          }
          if (this.food.count) {
            this.food.count--;
          }
        }
      }
    };
</script>

<style lang="stylus" rel="stylesheet/stylus">
  .cartcontrol
    font-size: 0
    .cart-decrease
      display: inline-block
      padding: 6px
      opacity: 1
      transform: translate3d(0, 0, 0)
      .inner
        display: inline-block
        font-size: 24px
        line-height: 24px
        color: rgb(0,160,220)
        transition: all 0.4s linear
        transform: rotate(0)
      &.move-enter-active, &.move-leave-active
        transition: all 0.4s linear
      &.move-enter, &.move-leave-to
        opacity: 0
        transform: translate3d(24px, 0, 0)
        .inner
          transform: rotate(180deg)
    .cart-count
      display: inline-block
      vertical-align: top
      width: 12px
      padding-top: 6px
      line-height: 24px
      text-align: center
      font-size: 10px
      color: rgb(147,153,159)
    .cart-add
      display: inline-block
      padding: 6px
      font-size: 24px
      line-height: 24px
      color: rgb(0,160,220)
</style>
